(function($){$.jScrollPane={active:[]};$.fn.jScrollPane=function(settings){settings=$.extend({},$.fn.jScrollPane.defaults,settings);var rf=function(){return false};return this.each(function(){var $this=$(this);$this.css('overflow','hidden');var paneEle=this;if($(this).parent().is('.jScrollPaneContainer')){var currentScrollPosition=settings.maintainPosition?$this.position().top:0;var $c=$(this).parent();var paneWidth=$c.innerWidth();var paneHeight=$c.outerHeight();var trackHeight=paneHeight;$('>.jScrollPaneTrack,>.jScrollArrowUp,>.jScrollArrowDown',$c).remove();$this.css({'top':0})}else{var currentScrollPosition=0;this.originalPadding=$this.css('paddingTop')+' '+$this.css('paddingRight')+' '+$this.css('paddingBottom')+' '+$this.css('paddingLeft');this.originalSidePaddingTotal=(parseInt($this.css('paddingLeft'))||0)+(parseInt($this.css('paddingRight'))||0);var paneWidth=$this.innerWidth();var paneHeight=$this.innerHeight();var trackHeight=paneHeight;$this.wrap($('<div></div>').attr({'className':'jScrollPaneContainer'}).css({'height':paneHeight+'px','width':paneWidth+'px'}));$(document).bind('emchange',function(e,cur,prev){$this.jScrollPane(settings)})}if(settings.reinitialiseOnImageLoad){var $imagesToLoad=$.data(paneEle,'jScrollPaneImagesToLoad')||$('img',$this);var loadedImages=[];if($imagesToLoad.length){$imagesToLoad.each(function(i,val){$(this).bind('load',function(){if($.inArray(i,loadedImages)==-1){loadedImages.push(val);$imagesToLoad=$.grep($imagesToLoad,function(n,i){return n!=val});$.data(paneEle,'jScrollPaneImagesToLoad',$imagesToLoad);settings.reinitialiseOnImageLoad=false;$this.jScrollPane(settings)}}).each(function(i,val){if(this.complete||this.complete===undefined){this.src=this.src}})})}}var p=this.originalSidePaddingTotal;var cssToApply={'height':'auto','width':paneWidth-settings.scrollbarWidth-settings.scrollbarMargin-p+'px'};if(settings.scrollbarOnLeft){cssToApply.paddingLeft=settings.scrollbarMargin+settings.scrollbarWidth+'px'}else{cssToApply.paddingRight=settings.scrollbarMargin+'px'};$this.css(cssToApply);var contentHeight=$this.outerHeight();var percentInView=paneHeight/contentHeight;if(percentInView<.99){var $container=$this.parent();$container.append($('<div></div>').attr({'className':'jScrollPaneTrack'}).css({'width':settings.scrollbarWidth+'px'}).append($('<div></div>').attr({'className':'jScrollPaneDrag'}).css({'width':settings.scrollbarWidth+'px'}).append($('<div></div>').attr({'className':'jScrollPaneDragTop'}).css({'width':settings.scrollbarWidth+'px'}),$('<div></div>').attr({'className':'jScrollPaneDragBottom'}).css({'width':settings.scrollbarWidth+'px'}))));var $track=$('>.jScrollPaneTrack',$container);var $drag=$('>.jScrollPaneTrack .jScrollPaneDrag',$container);if(settings.showArrows){var currentArrowButton;var currentArrowDirection;var currentArrowInterval;var currentArrowInc;var whileArrowButtonDown=function(){if(currentArrowInc>4||currentArrowInc%4==0){positionDrag(dragPosition+currentArrowDirection*mouseWheelMultiplier)}currentArrowInc++};var onArrowMouseUp=function(event){$('html').unbind('mouseup',onArrowMouseUp);currentArrowButton.removeClass('jScrollActiveArrowButton');clearInterval(currentArrowInterval)};var onArrowMouseDown=function(){$('html').bind('mouseup',onArrowMouseUp);currentArrowButton.addClass('jScrollActiveArrowButton');currentArrowInc=0;whileArrowButtonDown();currentArrowInterval=setInterval(whileArrowButtonDown,100)};$container.append($('<a></a>').attr({'href':'javascript:;','className':'jScrollArrowUp'}).css({'width':settings.scrollbarWidth+'px'}).html('Scroll up').bind('mousedown',function(){currentArrowButton=$(this);currentArrowDirection=-1;onArrowMouseDown();this.blur();return false}).bind('click',rf),$('<a></a>').attr({'href':'javascript:;','className':'jScrollArrowDown'}).css({'width':settings.scrollbarWidth+'px'}).html('Scroll down').bind('mousedown',function(){currentArrowButton=$(this);currentArrowDirection=1;onArrowMouseDown();this.blur();return false}).bind('click',rf));var $upArrow=$('>.jScrollArrowUp',$container);var $downArrow=$('>.jScrollArrowDown',$container);if(settings.arrowSize){trackHeight=paneHeight-settings.arrowSize-settings.arrowSize;$track.css({'height':trackHeight+'px',top:settings.arrowSize+'px'})}else{var topArrowHeight=$upArrow.height();settings.arrowSize=topArrowHeight;trackHeight=paneHeight-topArrowHeight-$downArrow.height();$track.css({'height':trackHeight+'px',top:topArrowHeight+'px'})}}var $pane=$(this).css({'position':'absolute','overflow':'visible'});var currentOffset;var maxY;var mouseWheelMultiplier;var dragPosition=0;var dragMiddle=percentInView*paneHeight/2;var getPos=function(event,c){var p=c=='X'?'Left':'Top';return event['page'+c]||(event['client'+c]+(document.documentElement['scroll'+p]||document.body['scroll'+p]))||0};var ignoreNativeDrag=function(){return false};var initDrag=function(){ceaseAnimation();currentOffset=$drag.offset(false);currentOffset.top-=dragPosition;maxY=trackHeight-$drag[0].offsetHeight;mouseWheelMultiplier=2*settings.wheelSpeed*maxY/contentHeight};var onStartDrag=function(event){initDrag();dragMiddle=getPos(event,'Y')-dragPosition-currentOffset.top;$('html').bind('mouseup',onStopDrag).bind('mousemove',updateScroll);if($.browser.msie){$('html').bind('dragstart',ignoreNativeDrag).bind('selectstart',ignoreNativeDrag)}return false};var onStopDrag=function(){$('html').unbind('mouseup',onStopDrag).unbind('mousemove',updateScroll);dragMiddle=percentInView*paneHeight/2;if($.browser.msie){$('html').unbind('dragstart',ignoreNativeDrag).unbind('selectstart',ignoreNativeDrag)}};var positionDrag=function(destY){destY=destY<0?0:(destY>maxY?maxY:destY);dragPosition=destY;$drag.css({'top':destY+'px'});var p=destY/maxY;$pane.css({'top':((paneHeight-contentHeight)*p)+'px'});$this.trigger('scroll');if(settings.showArrows){$upArrow[destY==0?'addClass':'removeClass']('disabled');$downArrow[destY==maxY?'addClass':'removeClass']('disabled')}};var updateScroll=function(e){positionDrag(getPos(e,'Y')-currentOffset.top-dragMiddle)};var dragH=Math.max(Math.min(percentInView*(paneHeight-settings.arrowSize*2),settings.dragMaxHeight),settings.dragMinHeight);$drag.css({'height':dragH+'px'}).bind('mousedown',onStartDrag);var trackScrollInterval;var trackScrollInc;var trackScrollMousePos;var doTrackScroll=function(){if(trackScrollInc>8||trackScrollInc%4==0){positionDrag((dragPosition-((dragPosition-trackScrollMousePos)/2)))}trackScrollInc++};var onStopTrackClick=function(){clearInterval(trackScrollInterval);$('html').unbind('mouseup',onStopTrackClick).unbind('mousemove',onTrackMouseMove)};var onTrackMouseMove=function(event){trackScrollMousePos=getPos(event,'Y')-currentOffset.top-dragMiddle};var onTrackClick=function(event){initDrag();onTrackMouseMove(event);trackScrollInc=0;$('html').bind('mouseup',onStopTrackClick).bind('mousemove',onTrackMouseMove);trackScrollInterval=setInterval(doTrackScroll,100);doTrackScroll()};$track.bind('mousedown',onTrackClick);$container.bind('mousewheel',function(event,delta){initDrag();ceaseAnimation();var d=dragPosition;positionDrag(dragPosition-delta*mouseWheelMultiplier);var dragOccured=d!=dragPosition;return!dragOccured});var _animateToPosition;var _animateToInterval;function animateToPosition(){var diff=(_animateToPosition-dragPosition)/settings.animateStep;if(diff>1||diff<-1){positionDrag(dragPosition+diff)}else{positionDrag(_animateToPosition);ceaseAnimation()}}var ceaseAnimation=function(){if(_animateToInterval){clearInterval(_animateToInterval);delete _animateToPosition}};var scrollTo=function(pos,preventAni){if(typeof pos=="string"){$e=$(pos,$this);if(!$e.length)return;pos=$e.offset().top-$this.offset().top}$container.scrollTop(0);ceaseAnimation();var destDragPosition=-pos/(paneHeight-contentHeight)*maxY;if(preventAni||!settings.animateTo){positionDrag(destDragPosition)}else{_animateToPosition=destDragPosition;_animateToInterval=setInterval(animateToPosition,settings.animateInterval)}};$this[0].scrollTo=scrollTo;$this[0].scrollBy=function(delta){var currentPos=-parseInt($pane.css('top'))||0;scrollTo(currentPos+delta)};initDrag();scrollTo(-currentScrollPosition,true);$('*',this).bind('focus',function(event){var $e=$(this);var eleTop=0;while($e[0]!=$this[0]){eleTop+=$e.position().top;$e=$e.offsetParent()}var viewportTop=-parseInt($pane.css('top'))||0;var maxVisibleEleTop=viewportTop+paneHeight;var eleInView=eleTop>viewportTop&&eleTop<maxVisibleEleTop;if(!eleInView){var destPos=eleTop-settings.scrollbarMargin;if(eleTop>viewportTop){destPos+=$(this).height()+15+settings.scrollbarMargin-paneHeight}scrollTo(destPos)}});if(location.hash)scrollTo(location.hash);$(document).bind('click',function(e){$target=$(e.target);if($target.is('a')){var h=$target.attr('href');if(h.substr(0,1)=='#')scrollTo(h)}});$.jScrollPane.active.push($this[0])}else{$this.css({'height':paneHeight+'px','width':paneWidth-this.originalSidePaddingTotal+'px','padding':this.originalPadding});$this.parent().unbind('mousewheel')}})};$.fn.jScrollPane.defaults={scrollbarWidth:14,scrollbarMargin:5,wheelSpeed:22,showArrows:false,arrowSize:0,animateTo:false,dragMinHeight:1,dragMaxHeight:99999,animateInterval:100,animateStep:3,maintainPosition:true,scrollbarOnLeft:false,reinitialiseOnImageLoad:false};$(window).bind('unload',function(){var els=$.jScrollPane.active;for(var i=0;i<els.length;i++){els[i].scrollTo=els[i].scrollBy=null}})})(jQuery);(function($){$.event.special.mousewheel={setup:function(){var handler=$.event.special.mousewheel.handler;if($.browser.mozilla)$(this).bind('mousemove.mousewheel',function(event){$.data(this,'mwcursorposdata',{pageX:event.pageX,pageY:event.pageY,clientX:event.clientX,clientY:event.clientY})});if(this.addEventListener){this.addEventListener(($.browser.mozilla?'DOMMouseScroll':'mousewheel'),handler,false)}else{this.onmousewheel=handler}},teardown:function(){var handler=$.event.special.mousewheel.handler;$(this).unbind('mousemove.mousewheel');if(this.removeEventListener){this.removeEventListener(($.browser.mozilla?'DOMMouseScroll':'mousewheel'),handler,false)}else{this.onmousewheel=function(){}}$.removeData(this,'mwcursorposdata')},handler:function(event){var args=Array.prototype.slice.call(arguments,1);event=$.event.fix(event||window.event);event.preventDefault();$.extend(event,$.data(this,'mwcursorposdata')||{});var delta=0,returnValue=true;if(event.wheelDelta)delta=event.wheelDelta/120;if(event.detail)delta=-event.detail/3;event.data=event.data||{};event.type="mousewheel";args.unshift(delta);args.unshift(event);return $.event.handle.apply(this,args)}};$.fn.extend({mousewheel:function(fn){return fn?this.bind("mousewheel",fn):this.trigger("mousewheel")},unmousewheel:function(fn){return this.unbind("mousewheel",fn)}})})(jQuery);